Structure–activity relationship of HIV-1 protease inhibitors containing AHPBA. Part III: modification of P2 site
作者:E Takashiro
DOI:10.1016/s0968-0896(98)00004-2
日期:1998.5
The structure-activity relationship of HIV-1 protease (HIV-1 PR) inhibitors containing AHPBA (3-amino-2-hydroxy-4-phenylbutanoic acid) is discussed. In order to solve the problem of poor oral bioavailability, small-sized dipeptide HIV-1 protease inhibitors containing cyclic urethanes or benzamides at the P2 site were designed and prepared. The substitution patterns of the benzamides contributed significantly
Epoxidation–alcoholysis of cyclic enol ethers catalyzed by Ti(O<sup>i</sup>Pr)<sub>4</sub>or Venturello's peroxophosphotungstate complex
作者:Pieter Levecque、David Gammon、Henok Hadgu Kinfe、Pierre Jacobs、Dirk De Vos、Bert Sels
DOI:10.1039/b705244h
日期:——
Venturello's peroxophosphotungstate compound and Ti(OiPr)4 were successfully used as catalysts for the epoxidationâalcoholysis of various dihydropyrans and dihydrofuran using H2O2 as the oxidant. Different alcohols can be used as solvents and nucleophiles, resulting in hydroxy ether products with varying alkoxy groups. The Venturello compound can also be used as catalyst in a biphasic conversion of dihydropyran, in which long chain alcohols or fatty acids are incorporated in the hydroxy ether products with high yield and (stereo)selectivity.